Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression
文献类型：期刊论文
| 作者 | Wang YC; Zhou N; Chang FQ; Hao SW(郝圣旺)
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| 刊名 | ADVANCES IN MATERIALS SCIENCE AND ENGINEERING
 |
| 出版日期 | 2015 |
| 页码 | 101035 |
| 通讯作者邮箱 | hsw@ysu.edu.cn |
| ISSN号 | 1687-8434 |
| 产权排序 | [Wang, Yingchong; Zhou, Na; Chang, Fuqing; Hao, Shengwang] Yanshan Univ, Sch Civil Engn & Mech, Qinhuangdao 066004, Peoples R China; [Hao, Shengwang] Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100080, Peoples R China |
| 通讯作者 | Hao, SW (reprint author), Yanshan Univ, Sch Civil Engn & Mech, Qinhuangdao 066004, Peoples R China. |
| 中文摘要 | Understanding the time-dependent brittle deformation behavior of concrete as a main building material is fundamental for the lifetime prediction and engineering design. Herein, we present the experimental measures of brittle creep failure, critical behavior, and the dependence of time-to-failure, on the secondary creep rate of concrete under sustained uniaxial compression. A complete evolution process of creep failure is achieved. Three typical creep stages are observed, including the primary (decelerating), secondary (steady state creep regime), and tertiary creep (accelerating creep) stages. The time-to-failure shows sample-specificity although all samples exhibit a similar creep process. All specimens exhibit a critical power-law behavior with an exponent of -0.51 +/- 0.06, approximately equal to the theoretical value of -1/2. All samples have a long-term secondary stage characterized by a constant strain rate that dominates the lifetime of a sample. The average creep rate expressed by the total creep strain over the lifetime (t(f) - t(0)) for each specimen shows a power-law dependence on the secondary creep rate with an exponent of -1. This could provide a clue to the prediction of the time-to-failure of concrete, based on the monitoring of the creep behavior at the steady stage. |
| 分类号 | Q4 |
| 类目[WOS] | Materials Science, Multidisciplinary |
| 研究领域[WOS] | Materials Science |
| 关键词[WOS] | FRACTURE-BEHAVIOR ; TENSILE CREEP ; BASIC CREEP ; SHRINKAGE ; MODEL ; STATISTICS ; ROCK ; AGE |
| 收录类别 | SCI ; EI |
| 原文出处 | http://dx.doi.org/10.1155/2015/101035 |
| 语种 | 英语 |
| WOS记录号 | WOS:000362753900001 |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/58404]  |
| 专题 | 力学研究所_非线性力学国家重点实验室 |
| 推荐引用方式 GB/T 7714 | Wang YC,Zhou N,Chang FQ,et al. Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression[J]. ADVANCES IN MATERIALS SCIENCE AND ENGINEERING,2015:101035. |
| APA | Wang YC,Zhou N,Chang FQ,&郝圣旺.(2015).Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression.ADVANCES IN MATERIALS SCIENCE AND ENGINEERING,101035. |
| MLA | Wang YC,et al."Brittle Creep Failure, Critical Behavior, and Time-to-Failure Prediction of Concrete under Uniaxial Compression".ADVANCES IN MATERIALS SCIENCE AND ENGINEERING (2015):101035. |
入库方式： OAI收割
来源：力学研究所
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